<template>
  <div class="app">
    <h2>我是App</h2>
    <h4 v-very-beauty="str"></h4>
    <Hello/>
    <Child/>
    <button @click="study">点我</button>
  </div>
</template>

<script>
  import Child from './components/Child.vue'
  export default {
    name: 'App',
    components:{Child},
    data() {
      return {
        str:'good good study day day up'
      }
    },
  }
</script>

<style>
  .app {
    background-color: gray;
    border-radius: 10px;
    padding: 20px;
  }
</style>